<?php namespace Zmsun\Copen;class TopPackage extends APackage{protected$registeredSubPackages=array();public function __get($name){$namespace=$this->namespace.".".strtolower($name);if(array_key_exists($namespace,$this->registeredSubPackages)){$package=$this->registeredSubPackages[$namespace];}else{$this->registeredSubPackages[$namespace]=$package=new SubPackage($namespace,$this->openLib);}return$package;}}?>